<f:subview xmlns:f="http://java.sun.com/jsf/core"
  xmlns="http://www.w3.org/1999/xhtml"
  xmlns:h="http://java.sun.com/jsf/html"
  xmlns:c="http://java.sun.com/jstl/core"
  xmlns:a4j="http://richfaces.org/a4j"
  xmlns:nxu="http://nuxeo.org/nxweb/util"
  xmlns:nxdir="http://nuxeo.org/nxdirectory"
  xmlns:nxl="http://nuxeo.org/nxforms/layout" id="#{widget.id}">

  <h:selectOneRadio id="#{widget.id}_field0" value="#{field}" >
    <f:selectItem id="#{widget.id}_item1" itemLabel="#{messages['label.apriori']}" itemValue="apriori" />
    <f:selectItem id="#{widget.id}_item2" itemLabel="#{messages['label.aposteriori']}" itemValue="aposteriori" />
  </h:selectOneRadio>
  
</f:subview>